Comfrey, It's what's called a bioaccumulator. Get your bio-accumulation needs met with @ShiShi21m One full root for 20$ Or root cutting for 1$ each Buyer pays shipping https://m.primal.net/HpKc.mp4 Full episode about Comfrey here: https://fountain.fm/episode/15491737864
Makes a great healing salve too, for cuts, bruises, sprains etc. My wife tore a muscle a few weeks ago, put our comfrey salve on it over a few days, good as new very quickly.
That clip has me hooked onto finding out more! Gardener in me is so curious.
The link to the full episode is in that note.
Comfrey outputs the most annual biomass production of any terrestrial plant. It'll increase your compost quality, It's a pollinator haven as it produces hundreds of pink and purple flowers. Chickens like to eat it as well.
"Comfrey outputs the most annual biomass production of any terrestrial plant." How about Bamboo?